Operation And Maintenance of water supply scheme based on Tillari project for 3 months District Sindhudurg

Subwork No.1 Repairs And maintainance of Rising main & Distribution system

Item No.1 :-Carrying out repairs to air valves/sluice valve including opening of sluice valve for laying & fixing bolts to air valves including oiling & greasing gland packing, nut bolts etc. complete.

For Air valve

For Sluice valve

Item No.2 :-Removing leakages in various dia of pipe including excavation lowering, laying & jointing & cost of material & refilling etc. complete.

RA 1- 100 MM DI PIPE

RA 2- 150 MM DI PIPE

RA 3- 200 MM DI PIPE

RA 4- 300 MM DI PIPE

RA 5- 350 MM DI PIPE

RA 6- 400 MM DI PIPE

RA 7- 1200 MM PCCP PIPE

RA 8- 900 MM PCCP PIPE

RA 9- 600 MM PCCP PIPE

Item No 3 :- Providing & Supplying Electrician, mazdoor & Helper for running of Sindhudurgnagari water works as an when required or only 20 days per month as per necessary of work . This mandays will only assist Jalsevak of Tillari water Supply scheme no master will be maintained. (for emegency work)

Mazdoor

Electrician

Item No 4:- Providing and supplying ISI standard CI flanged / S& S specials including all statutory duties & taxes such as GST levied by GOI & GOM in all respect, railway freight, insurance, unloading from railway wagon, loading into truck transport to departmental store /site, unloading stacking etc. complete.

80 mm to 300 mm

350 mm & above

Sub work No.2 O&M Mechanical and material charges.

Item No.1 :- Carrying out repairs to electrical unit / pump panels & similar units with necessary materials & instructed by engineer in charge. Lumpsum provision is made

Sub Work No.3 ESTHABLISHEMENT CHARGES FOR JAN 26- MARCH 26

1. Pump Operator

2. Valveman/Watchman/Mazdoor ( heavy)

3. Meter reader/ water rate collector

4. Filter Operator/ Chemist

Sub Work No.4 Chemical Consumption and material charges.

Item No.01:- Provision for PAC Powder required

Chemical Charges

Provision for PAC Powder required

1) Daily Demand of 8.922 ML

2) Rate of Consumption = 2.5 gm /m^3 for 90 days

Assume Turbidity = 10 NTU

Daily Requirment = 8922 x 2.5 = 22305 gm = 22.30 kg

For90 days of Summer = 90 x 22.30 = 2007 Kg. Say 2010 Kg.

Total yearly PAC Requirment = 2010 kg = 2.01 MT

Item No.02:- Provision for TCL required

1) Daily Demand 8.922 ML

2) Rate of Consumption 6 kg/ML

3) requirement - (0.6 kg/hr)/ (1.2 ML/HR)= 0.5 ppm '0.5 x 6 hr = 3 kg per day

3 kg per day x 90 day - 270 kg

Liquid Chlorine 900 Kg Container.1 Nos.x Rs.16758.00 Deptt. Container

Item No.03:- Water sample Testing Considering Testing of water / two week : 2 X 3 X 1200

Rate as per PHL SINDHUDURG.

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